GENERIC_TINY revision 1.80
1# $NetBSD: GENERIC_TINY,v 1.80 2005/02/18 21:05:52 dsl Exp $ 2# 3# GENERIC_TINY -- suitable default for 4M machines 4# No EISA, PCI, or SCSI. 5# 6 7include "arch/i386/conf/std.i386" 8 9#options INCLUDE_CONFIG_FILE # embed config file in kernel binary 10 11makeoptions COPTS="-Os" 12 13maxusers 8 # estimated number of users 14 15# CPU support. At least one is REQUIRED. 16options I386_CPU 17options I486_CPU 18options I586_CPU 19options I686_CPU 20 21# CPU-related options. 22options MATH_EMULATE # floating point emulation 23#options VM86 # virtual 8086 emulation 24#options USER_LDT # user-settable LDT; used by WINE 25# insert delay no-ops in interrupts; recommended on very old machines 26options PIC_DELAY 27 28# This option allows you to force a serial console at the specified 29# I/O address. see console(4) for details. 30#options CONSDEVNAME="\"com\"" 31 32# The following options override the memory sizes passed in from the boot 33# block. Use them *only* if the boot block is unable to determine the correct 34# values. Note that the BIOS may *correctly* report less than 640k of base 35# memory if the extended BIOS data area is located at the top of base memory 36# (as is the case on most recent systems). 37#options REALBASEMEM=... # size of base memory 38#options REALEXTMEM=... # size of extended memory 39 40# Save a physical page per process by not setting a kernel stack red zone. 41options NOREDZONE 42 43# Standard system options 44 45options INSECURE # disable kernel security levels - X needs this 46 47options RTC_OFFSET=0 # hardware clock is this many mins. west of GMT 48#options NTP # NTP phase/frequency locked loop 49 50#options KTRACE # system call tracing via ktrace(1) 51 52#options SYSVMSG # System V-like message queues 53#options SYSVSEM # System V-like semaphores 54#options SYSVSHM # System V-like memory sharing 55#options SHMMAXPGS=2048 # 2048 pages is the default 56#options P1003_1B_SEMAPHORE # p1003.1b semaphore support 57 58options NMBCLUSTERS=256 59 60#options LKM # loadable kernel modules 61 62#options USERCONF # userconf(4) support 63options PIPE_SOCKETPAIR # smaller, but slower pipe(2) 64#options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel 65 66# Diagnostic/debugging support options 67#options DIAGNOSTIC # expensive kernel consistency checks 68#options DEBUG # expensive debugging checks/support 69#options KMEMSTATS # kernel memory statistics (vmstat -m) 70#options DDB # in-kernel debugger 71#options DDB_ONPANIC=1 # see also sysctl(8): `ddb.onpanic' 72#options DDB_HISTORY_SIZE=512 # enable history editing in DDB 73#options KGDB # remote debugger 74#options KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600 75#makeoptions DEBUG="-g" # compile full symbol table 76 77# Compatibility options 78#options COMPAT_NOMID # NetBSD 0.8, 386BSD, and BSDI 79#options COMPAT_09 # NetBSD 0.9 80#options COMPAT_10 # NetBSD 1.0 81#options COMPAT_11 # NetBSD 1.1 82options COMPAT_12 # NetBSD 1.2, 386BSD, and BSDI 83options COMPAT_13 # NetBSD 1.3, 386BSD, and BSDI 84options COMPAT_14 # NetBSD 1.4 85options COMPAT_15 # NetBSD 1.5 86options COMPAT_16 # NetBSD 1.6 87options COMPAT_43 # 4.3BSD, 386BSD, and BSDI 88options COMPAT_386BSD_MBRPART # recognize old partition ID 89#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended. 90 91#options COMPAT_SVR4 # binary compatibility with SVR4 92#options COMPAT_IBCS2 # binary compatibility with SCO and ISC 93#options COMPAT_LINUX # binary compatibility with Linux 94#options COMPAT_FREEBSD # binary compatibility with FreeBSD 95options COMPAT_BSDPTY # /dev/[pt]ty?? ptys. 96 97# File systems 98file-system FFS # UFS 99#file-system EXT2FS # second extended file system (linux) 100#file-system LFS # log-structured file system 101#file-system MFS # memory file system 102file-system NFS # Network File System client 103file-system CD9660 # ISO 9660 + Rock Ridge file system 104file-system MSDOSFS # MS-DOS file system 105#file-system FDESC # /dev/fd 106file-system KERNFS # /kern 107#file-system NULLFS # loopback file system 108#file-system PORTAL # portal filesystem (still experimental) 109#file-system PROCFS # /proc 110#file-system UMAPFS # NULLFS + uid and gid remapping 111#file-system UNION # union file system 112 113# File system options 114#options QUOTA # UFS quotas 115#options FFS_EI # FFS Endian Independant support 116#options NFSSERVER # Network File System server 117options FFS_NO_SNAPSHOT # ffs snapshots 118#options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and 119 # immutable) behave as system flags. 120options VNODE_OP_NOINLINE # don't inline vnode op calls 121 122# Networking options 123#options GATEWAY # packet forwarding 124options INET # IP + ICMP + TCP + UDP 125#options MROUTING # IP multicast routing 126#options PIM # Protocol Independent Multicast 127#options NS # XNS 128#options NSIP # XNS tunneling over IP 129#options ISO,TPIP # OSI 130#options EON # OSI tunneling over IP 131#options CCITT,LLC,HDLC # X.25 132#options NETATALK # AppleTalk networking protocols 133#options PPP_BSDCOMP # BSD-Compress compression support for PPP 134#options PPP_DEFLATE # Deflate compression support for PPP 135#options PPP_FILTER # Active filter support for PPP (requires bpf) 136#options PFIL_HOOKS # pfil(9) packet filter hooks 137#options IPFILTER_LOG # ipmon(8) log support 138#options IPFILTER_DEFAULT_BLOCK # block all packets by default 139#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 140 141#options ALTQ # Manipulate network interfaces' output queues 142#options ALTQ_BLUE # Stochastic Fair Blue 143#options ALTQ_CBQ # Class-Based Queueing 144#options ALTQ_CDNR # Diffserv Traffic Conditioner 145#options ALTQ_FIFOQ # First-In First-Out Queue 146#options ALTQ_FLOWVALVE # RED/flow-valve (red-penalty-box) 147#options ALTQ_HFSC # Hierarchical Fair Service Curve 148#options ALTQ_LOCALQ # Local queueing discipline 149#options ALTQ_PRIQ # Priority Queueing 150#options ALTQ_RED # Random Early Detection 151#options ALTQ_RIO # RED with IN/OUT 152#options ALTQ_WFQ # Weighted Fair Queueing 153 154# These options enable verbose messages for several subsystems. 155# Warning, these may compile large string tables into the kernel! 156#options EISAVERBOSE # verbose EISA device autoconfig messages 157#options PCIVERBOSE # verbose PCI device autoconfig messages 158#options PCI_CONFIG_DUMP # verbosely dump PCI config space 159#options PCMCIAVERBOSE # verbose PCMCIA configuration messages 160#options SCSIVERBOSE # human readable SCSI error messages 161#options USBVERBOSE # verbose USB device autoconfig messages 162 163#options NFS_BOOT_BOOTP,NFS_BOOT_BOOTPARAM 164 165# Kernel root file system and dump configuration. 166config netbsd root on ? type ? 167#config netbsd root on sd0a type ffs 168#config netbsd root on ? type nfs 169 170# 171# wscons options 172# 173# builtin terminal emulations 174#options WSEMUL_SUN # sun terminal emulation 175options WSEMUL_VT100 # VT100 / VT220 emulation 176# customization of console and kernel output - see dev/wscons/wsdisplayvar.h 177#options WSDISPLAY_CUSTOM_OUTPUT # color customization from wsconsctl(8) 178#options WS_DEFAULT_FG=WSCOL_WHITE 179#options WS_DEFAULT_BG=WSCOL_BLACK 180#options WS_DEFAULT_COLATTR="(0)" 181#options WS_DEFAULT_MONOATTR="(0)" 182options WS_KERNEL_FG=WSCOL_GREEN 183#options WS_KERNEL_BG=WSCOL_BLACK 184#options WS_KERNEL_COLATTR="" 185#options WS_KERNEL_MONOATTR="" 186# customization of console border color 187#options WSDISPLAY_CUSTOM_BORDER # border customization from wsconsctl(8) 188#options WSDISPLAY_BORDER_COLOR=WSCOL_BLUE # default color 189# compatibility to other console drivers 190options WSDISPLAY_COMPAT_PCVT # emulate some ioctls 191options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls 192options WSDISPLAY_COMPAT_USL # VT handling 193options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes 194# see dev/pckbc/wskbdmap_mfii.c for implemented layouts 195#options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)" 196# allocate a number of virtual screens at autoconfiguration time 197#options WSDISPLAY_DEFAULTSCREENS=4 198# use a large software cursor that doesn't blink 199options PCDISPLAY_SOFTCURSOR 200 201# 202# Device configuration 203# 204 205mainbus0 at root 206 207cpu0 at mainbus0 208 209#apm0 at mainbus0 # Advanced power management 210 211 212# Basic Bus Support 213 214# PCI bus support 215#pci* at mainbus? bus ? 216#pci* at pchb? bus ? 217#pci* at ppb? bus ? 218 219# PCI bridges 220#pchb* at pci? dev ? function ? # PCI-Host bridges 221#pceb* at pci? dev ? function ? # PCI-EISA bridges 222#pcib* at pci? dev ? function ? # PCI-ISA bridges 223#ichlpcib* at pci? dev ? function ? # Intel ICH PCI-ISA w/ watchdog and 224 # SpeedStep support 225#ppb* at pci? dev ? function ? # PCI-PCI bridges 226# XXX 'puc's aren't really bridges, but there's no better place for them here 227#puc* at pci? dev ? function ? # PCI "universal" comm. cards 228 229# EISA bus support 230#eisa0 at mainbus? 231#eisa0 at pceb? 232 233# ISA bus support 234isa0 at mainbus? 235#isa0 at pceb? 236#isa0 at pcib? 237#isa0 at ichlpcib? 238 239# PCMCIA bus support 240pcmcia* at pcic? controller ? socket ? 241 242# ISA PCMCIA controllers 243pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000 244pcic1 at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000 245 246# ISA Plug-and-Play bus support 247#isapnp0 at isa? 248 249# ISA Plug-and-Play PCMCIA controllers 250#pcic* at isapnp? 251 252# Coprocessor Support 253 254# Math Coprocessor support 255npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor 256 257# Console Devices 258 259# ISA console 260#pc0 at isa? port 0x60 irq 1 # pccons generic PC console driver 261 262# wscons 263pckbc0 at isa? # pc keyboard controller 264pckbd* at pckbc? # PC keyboard 265#pms* at pckbc? # PS/2 mouse for wsmouse 266vga0 at isa? 267#vga* at pci? dev ? function ? 268pcdisplay0 at isa? # CGA, MDA, EGA, HGA 269wsdisplay* at vga? console ? 270wsdisplay* at pcdisplay? console ? 271wskbd* at pckbd? console ? 272#wsmouse* at pms? mux 0 273 274 275#pcppi0 at isa? 276#sysbeep0 at pcppi? 277 278# Serial Devices 279 280# PCI serial interfaces 281#com* at puc? port ? # 16x50s on "universal" comm boards 282#cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards 283 284# ISA Plug-and-Play serial interfaces 285#com* at isapnp? # Modems and serial boards 286 287# PCMCIA serial interfaces 288com* at pcmcia? function ? # Modems and serial cards 289 290# ISA serial interfaces 291#options COM_HAYESP # adds Hayes ESP serial board support 292com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports 293com1 at isa? port 0x2f8 irq 3 294com2 at isa? port 0x3e8 irq 5 295#com3 at isa? port 0x2e8 irq 9 296#ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards 297#com* at ast? slave ? 298#boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards 299#com* at boca? slave ? 300#rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards 301#com* at rtfps? slave ? 302#cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards 303 304 305# Parallel Printer Interfaces 306 307# PCI parallel printer interfaces 308#lpt* at puc? port ? # || ports on "universal" comm boards 309 310# ISA parallel printer interfaces 311lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports 312#lpt1 at isa? port 0x278 313#lpt2 at isa? port 0x3bc 314 315 316# SCSI Controllers and Devices 317 318# PCI SCSI controllers 319#ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI 320#dpt* at pci? dev ? function ? # DPT SmartCache/SmartRAID 321#bha* at pci? dev ? function ? # BusLogic 9xx SCSI 322#isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel 323#siop* at pci? dev ? function ? # NCR 53c8xx SCSI 324#esiop* at pci? dev ? function ? # NCR 53c875 SCSI and newer 325#options SIOP_SYMLED # drive the act. LED in software 326 327# EISA SCSI controllers 328#ahb* at eisa? slot ? # Adaptec 174[02] SCSI 329#ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI 330#bha* at eisa? slot ? # BusLogic 7xx SCSI 331#dpt* at eisa? slot ? # DPT SmartCache/SmartRAID 332#uha* at eisa? slot ? # UltraStor 24f SCSI 333 334# PCMCIA SCSI controllers 335#aic* at pcmcia? function ? # Adaptec APA-1460 SCSI 336 337# ISA Plug-and-Play SCSI controllers 338#aic* at isapnp? # Adaptec AHA-1520B 339 340# ISA SCSI controllers 341#aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI 342#aha1 at isa? port 0x334 irq ? drq ? 343#ahc0 at isa? port ? irq ? # Adaptec 284x SCSI 344#aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI 345#bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI 346#bha1 at isa? port 0x334 irq ? drq ? 347#sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI 348#uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI 349#uha1 at isa? port 0x340 irq ? drq ? 350#wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers 351#wds1 at isa? port 0x358 irq 11 drq 5 352 353# SCSI bus support 354#scsibus* at scsi? 355 356# SCSI devices 357#sd* at scsibus? target ? lun ? # SCSI disk drives 358#st* at scsibus? target ? lun ? # SCSI tape drives 359#cd* at scsibus? target ? lun ? # SCSI CD-ROM drives 360#ch* at scsibus? target ? lun ? # SCSI autochangers 361#ss* at scsibus? target ? lun ? # SCSI scanners 362#uk* at scsibus? target ? lun ? # SCSI unknown 363 364 365# IDE and related devices 366 367# ISA Plug-and-Play IDE controllers 368#wdc* at isapnp? 369 370# PCMCIA IDE controllers 371wdc* at pcmcia? function ? 372 373# ISA IDE controllers 374wdc0 at isa? port 0x1f0 irq 14 # ST506, ESDI, and IDE controllers 375wdc1 at isa? port 0x170 irq 15 376 377# ATA (IDE) bus support 378atabus* at ata? 379 380# IDE drives 381wd* at atabus? drive ? # the drives themselves 382 383# ATAPI bus support 384atapibus* at atapi? 385 386# ATAPI devices 387cd* at atapibus? drive ? # ATAPI CD-ROM drives 388sd* at atapibus? drive ? # ATAPI disk drives 389 390 391# Miscellaneous mass storage devices 392 393# ISA floppy 394fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers 395#fdc1 at isa? port 0x370 irq ? drq ? 396fd* at fdc? drive ? # the drives themselves 397# some machines need you to do this instead of fd* 398#fd0 at fdc0 drive 0 399 400# ISA CD-ROM devices 401#mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives 402 403# ISA tape devices 404# note: the wt driver conflicts unpleasantly with SMC boards at the 405# same I/O address. The probe reprograms their EEPROMs. Don't 406# uncomment it unless you are actually using it. 407#wt0 at isa? port 0x308 irq 5 drq 1 # Archive and Wangtek QIC tape drives 408 409 410# Network Interfaces 411 412# PCI network interfaces 413#en* at pci? dev ? function ? # ENI/Adaptec ATM 414#ep* at pci? dev ? function ? # 3Com 3c59x/3c90x Ethernet 415#epic* at pci? dev ? function ? # SMC EPIC/100 Ethernet 416#esh* at pci? dev ? function ? # Essential HIPPI card 417#fpa* at pci? dev ? function ? # DEC DEFPA FDDI 418#fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B 419#le* at pci? dev ? function ? # PCnet-PCI Ethernet 420#ne* at pci? dev ? function ? # NE2000-compatible Ethernet 421#tl* at pci? dev ? function ? # ThunderLAN-based Ethernet 422#tlp* at pci? dev ? function ? # DECchip 21x4x and clones 423 424# EISA network interfaces 425#ep* at eisa? slot ? # 3Com 3c579 Ethernet 426#fea* at eisa? slot ? # DEC DEFEA FDDI 427 428# ISA Plug-and-Play network interfaces 429#ep* at isapnp? # 3Com 3c509 Ethernet 430#ne* at isapnp? # NE2000-compatible Ethernet 431 432# PCMCIA network interfaces 433ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet 434mbe* at pcmcia? function ? # MB8696x based Ethernet 435ne* at pcmcia? function ? # NE2000-compatible Ethernet 436sm* at pcmcia? function ? # Megahertz Ethernet 437 438# ISA network interfaces 439ate0 at isa? port 0x2a0 irq ? # AT1700 440ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet 441eg0 at isa? port 0x280 irq 9 # 3C505 ethernet cards 442el0 at isa? port 0x300 irq 9 # 3C501 ethernet cards 443ep0 at isa? port ? irq ? # 3C509 ethernet cards 444ef0 at isa? port 0x360 iomem 0xd0000 irq 7 # 3C507 445ai0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN 446fmv0 at isa? port 0x2a0 irq ? # FMV-180 series 447ix0 at isa? port 0x300 irq 10 # EtherExpress/16 448iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA 449lc0 at isa? port 0x320 iomem ? irq ? # DEC EtherWORKS III (LEMAC) 450#depca0 at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5 # DEPCA 451#le* at depca? 452nele0 at isa? port 0x320 irq 9 drq 7 # NE2100 453le* at nele? 454bicc0 at isa? port 0x320 irq 10 drq 7 # BICC IsoLan 455le* at bicc? 456ne0 at isa? port 0x280 irq 9 # NE[12]000 ethernet cards 457ne1 at isa? port 0x300 irq 10 458sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet 459we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet 460we1 at isa? port 0x300 iomem 0xcc000 irq 10 461 462# MII bus support 463#mii* at tl? 464 465# MII PHY network interfaces 466#tlphy* at mii? dev ? # ThunderLAN PHYs 467#nsphy* at mii? dev ? # NS and compatible PHYs 468#ukphy* at mii? phy ? # generic unknown PHYs 469 470 471# USB Controller and Devices 472 473# PCI USB controllers 474#uhci* at pci? # Universal Host Controller (Intel) 475#ohci* at pci? # Open Host Controller 476 477# USB bus support 478#usb* at uhci? 479#usb* at ohci? 480 481# USB Hubs 482#uhub* at usb? 483#uhub* at uhub? port ? 484 485# USB Mice 486#ums* at uhub? port ? 487 488# USB Keyboards 489#ukbd* at uhub? port ? 490 491# USB Generic HID devices 492#uhid* at uhub? port ? 493 494# USB Printer 495#ulpt* at uhub? port ? 496 497# USB Mass Storage 498#umass* at uhub? port ? configuration ? interface ? 499#scsibus* at umass? 500#wd* at umass? 501 502# USB Ethernet adapters 503#aue* at uhub? port ? # ADMtek AN986 Pegasus based adapters 504#axe* at uhub? port ? # ASIX AX88172 based adapters 505#cue* at uhub? port ? # CATC USB-EL1201A based adapters 506#kue* at uhub? port ? # Kawasaki LSI KL5KUSB101B based adapters 507#url* at uhub? port ? # Realtek RTL8150L based adapters 508 509# Y@P firmware loader 510#uyap* at uhub? port ? 511 512# USB Generic driver 513#ugen* at uhub? port ? 514 515# Audio Devices 516 517# PCI audio devices 518#eap* at pci? dev ? function ? # Ensoniq AudioPCI 519 520# ISA Plug-and-Play audio devices 521#guspnp* at isapnp? # Gravis Ultra Sound PnP audio 522#sb* at isapnp? # SoundBlaster-compatible audio 523#ym* at isapnp? # Yamaha OPL3-SA3 audio 524 525# ISA audio devices 526#aria0 at isa? port 0x290 irq 10 # Aria 527#gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound 528#pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum 529#pss0 at isa? port 0x220 irq 7 drq 6 # Personal Sound System 530#sp0 at pss0 port 0x530 irq 10 drq 0 # sound port driver 531#sb0 at isa? port 0x220 irq 5 drq 1 drq2 5 # SoundBlaster 532#wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System 533 534# Audio support 535#audio* at audiobus? 536 537# The spkr driver provides a simple tone interface to the built in speaker. 538#spkr0 at pcppi? # PC speaker 539 540 541# Joysticks 542 543# ISA Plug-and-Play joysticks 544#joy* at isapnp? # Game ports (usually on audio cards) 545 546# ISA joysticks. Probe is a little strange; add only if you have one. 547#joy0 at isa? port 0x201 548 549 550# Miscellaneous Devices 551 552# Planetconnect Satellite receiver driver. 553#satlink0 at isa? port 0x300 drq 1 554 555 556# Pull in optional local configuration 557include "arch/i386/conf/GENERIC.local" 558 559 560# Pseudo-Devices 561 562# disk/mass storage pseudo-devices 563#pseudo-device ccd 4 # concatenated/striped disk devices 564pseudo-device fss 4 # file system snapshot device 565#pseudo-device md 1 # memory disk device (ramdisk) 566pseudo-device vnd 4 # disk-like interface to files 567 568# network pseudo-devices 569pseudo-device bpfilter 8 # Berkeley packet filter 570pseudo-device bridge # simple inter-network bridging 571pseudo-device ipfilter # IP filter (firewall) and NAT 572pseudo-device loop # network loopback 573pseudo-device ppp 2 # Point-to-Point Protocol 574pseudo-device pppoe # PPP over Ethernet (RFC 2516) 575#pseudo-device sl 2 # Serial Line IP 576#pseudo-device strip 2 # Starmode Radio IP (Metricom) 577pseudo-device tun 2 # network tunneling over tty 578#pseudo-device tap # virtual Ethernet 579 580# miscellaneous pseudo-devices 581pseudo-device pty # pseudo-terminals 582#pseudo-device tb 1 # tablet line discipline 583pseudo-device rnd # /dev/random and in-kernel generator 584#options RND_COM # use "com" randomness as well (BROKEN) 585pseudo-device clockctl # user control of clock subsystem 586